Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
La Seda de Barcelona SA
Original Assignee
La Seda de Barcelona SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by La Seda de Barcelona SAfiledCriticalLa Seda de Barcelona SA
Priority to ES358322ApriorityCriticalpatent/ES358322A3/en
Publication of ES358322A3publicationCriticalpatent/ES358322A3/en
Yarns And Mechanical Finishing Of Yarns Or Ropes
(AREA)
Abstract
A method for stretching and relaxing a synthetic yarn characterized in that the yarn is stretched a predetermined value in at least one drafting zone and then, immediately thereafter, the yarn shrinks a predetermined value in at least one shrinkage region, while the yarn is heated. Yarn, each of these draw and shrinkage areas passing through the yarn at predetermined entry and exit speeds. (Machine-translation by Google Translate, not legally binding)
ES358322A1968-09-121968-09-12Procedure to stretch and relax a synthetic thread. (Machine-translation by Google Translate, not legally binding)
ExpiredES358322A3
(en)
A method and an apparatus for joining the end of a material from the stretching system of a spinning machine with the outside of a finger. (Machine-translation by Google Translate, not legally binding)
Procedure for measuring the stretching force in the front area of the double sleeve stretching mechanisms used in the discontinuous fibers 'thread. (Machine-translation by Google Translate, not legally binding)
Improvements in the manufacture of synthetic textile threads provided with a permanent curling (Machine-translation by Google Translate, not legally binding)
Improved procedure for continuous stretching in cold filaments of linear synthetic polymers (Machine-translation by Google Translate, not legally binding)